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07/06/2026
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חברה חסויה
Location: Tel Aviv-Yafo
Job Type: Full Time
We are looking for a Senior Backend Engineer to join our R&D team in developing the new rising product in the health landscape.

As a Senior Backend Engineer at Lumen, you will have an impact on how we architect, build, scale, and maintain our backend systems. You will provide technical guidance and mentorship to other engineers on the team, help establish and maintain best practices for development, and participate in the development of the companys technological roadmap. Youll solve complex engineering challenges and drive engineering excellence in a dynamic environment and rapidly increasing scale.

Our ideal candidate has a real passion for making a positive change in the world, for technology and customers, has great communication skills, and loves to constantly improve themselves, our working practices, and our code base.

This is a great opportunity to join the core team of a growing, successful startup and work with the most advanced technologies.



Responsibilities

Lead/Participate in system design and architecture discussions.
Implement and own infrastructure and features; be involved and impact the entire product lifecycle (concept, design, test, release, and production support).
Teach, mentor, grow, and provide advice to other domain experts and individual contributors.
Acquire an in-depth understanding of our technical challenges and strive to improve them.
Play a central role in technical, business, and organizational contributions.
Be a vocal advocate for technical excellence and help the team members make sound decisions.
Work with product managers, data scientists, and other team members to understand the desired requirements and provide your feedback to improve the outcome of the feature.
Requirements:
10+ years of experience in server-side development (Java/Kotlin - advantage).
Strong expertise in cloud-native technologies, such as Kubernetes, and running workloads on public clouds (AWS, Azure, GCP).
Experience in creating highly scalable system architecture designs and providing review/feedback on designs.
Experience handling a complex, large-scale system.
Experience with microservice event-based systems and related architectures.
Experience with DB design and query optimization.
Strong verbal and written communication skills.
Self-driven with superior organizational and project management skills.
Superior analytical skills with a good problem-solving attitude.
Bachelor's degree in Computer Science, Engineering, or equivalent practical experience - an advantage.
Knowledge of nutrition/metabolism/health - advantage.
This position is open to all candidates.
 
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חברה חסויה
Location: Tel Aviv-Yafo
Job Type: Full Time
Were looking for people who are passionate about solving problems, dont shy away from leading features and projects, and are sharp and creative enough to find outside-the-box solutions to our wide range of product initiatives



What you'll do:

Design & Scale Core Pipelines: Architect, implement, and deploy our complex, highly-scalable data processing pipeline focused on analyzing massive amounts of data.
Tackle Diverse Data Challenges: Work hands-on with vast construction data-ranging from scheduling and BIM to video processing and 3D model analysis. Architect and integrate various Computer Vision and data processing algorithms into a robust, cloud-based production environment to generate unique insights.
Ensure Performance: Maintain a relentless focus on performance, reliability, and scalability as you process data from real-world construction sites globally.
Tech Stack Focus: Develop primarily using Python in a modern cloud infrastructure (AWS preferred).
Advanced AI Integration: "Skilled in pushing AI tools to the next level- moving from simple chat interfaces to building autonomous scripts, agents, or custom workflows that optimize system performance and reliability.
Ownership from 0 to 1: You will have real influence over our architecture and tooling. We want engineers who care about shaping what we build and how we build it, ensuring performance and observability are baked in from day one
Requirements:
A seasoned backend engineer (7+ years) with strong Python experience.
BSc. in Computer Science/Electrical Engineering, or equivalent.
Proven expertise in large scale systems, specifically focusing on backend development, systems architecture, and high-volume data processing.
Experience with high-performance, decentralized code development, and parallel processing.
AI-Native Engineering: You are an AI-native engineer who leverages LLMs and agentic tools (like Cursor, Copilot, or Claude) not just for code completion, but as a core architectural partner to accelerate the entire development lifecycle allowing you to focus on the critical things.
Comfortable working in a dynamic environment where your architectural decisions have company-wide impact.
Have a proven track record of being a collaborative team player!
Skilled in AWS, Docker/Kubernetes, and message queuing/streaming systems (SQS, Kafka, or RabbitMQ).
You care deeply about writing clean, testable code and building observable systems (monitoring, logging, metrics).
Experienced with CI/CD, observability, and cloud-native design.
Experience with Databases (relational and/or NoSQL).
Experience with 3D rendering or Computer Vision domains- advantage.
This position is open to all candidates.
 
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05/07/2026
Location: Tel Aviv-Yafo
Job Type: Full Time
Were building a new team building to bring the power of our company to developers within AI-focused Developer workflows such as AI agents like Cursor, Claude code, GitHub Copilot and our native AI agents.

Were looking for product-minded engineers who are excited about developer tools, SDLC improvements and AI in general to help us quickly define and ship features and tools that make all our customers 10x developers.
What Youll Do:
Work on agents, prompts, evals, MCPs and direct agent tools from ideation to productization, for allowing our company to help companies and developers to maximize the benefit of their integration with our company
Help conceptualize and build innovative User flows and experiences within our user space and different extensions
Prototype and see what works well in the real world, iterate closely with our users, and then ship
Follow the latest research on LLM prompt optimization, agents, and code editing.
Support other product teams to help them build and productionize their developer-focused AI Workflows. For example, youll work with the Live Debugger team to create an agentic production debugging experience, delivering on the vision of one click to reproduce for production errors.
Requirements:
Who You Are:
Youre a backend engineer with at least 5 years of professional experience who values code simplicity and performance. Youve shipped software that uses LLMs to production
You are passionate about Generative AI and its ability to help software engineers be more productive
You have relevant experience with Large Language Models, large-scale systems and data sets, machine learning, or adjacent fields
You are a great community ambassador and can drive hard technical conversations towards a pragmatic solution
You want to work in a fast, high-growth startup environment that respects its engineers and customers
You have experience writing classic or AI oriented developer tools(such as IDEs, static code analysis, SDLC tools etc).
You have a BS/MS/PhD in a Computer Science, Engineering or related scientific field or equivalent experience
This position is open to all candidates.
 
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6 ימים
חברה חסויה
Location: Tel Aviv-Yafo
Job Type: Full Time
Were looking for a Senior Backend Engineer to join our companys R&D team and help define the future of endpoint security.
Youll join a small, high-caliber engineering team that builds the services and data platforms powering our companys product. Your mission will be to design and operate reliable, scalable, and secure backend systems that make our product fast, trustworthy, and easy to extend.
What You'll Do
Build and own backend services and microservices using Python and Go.
Design schemas, run migrations, and build the analytics layer on ClickHouse.
Deploy and operate services on AWS + Kubernetes
Improve reliability, performance, and observability; participate in design/code reviews.
Drive end-to-end delivery across design, implementation, testing, deployment, and monitoring.
Collaborate closely with product, design, and data teams, explain tradeoffs and iterate fast.
Thrive in a dynamic, high-velocity landscape, leveraging cutting-edge stacks and advanced AI capabilities to build what matters.
Requirements:
Production experience building backend services at scale with common backend languages.
Experience working with modern cloud platforms such as AWS, GCP, or Azure.
Practical experience with microservices and Postgres (schema design, migrations, performance)- advantage
The company Mindset: You take ownership, act with accountability, collaborate openly, and focus on delivering meaningful impact. You thrive in fast-moving environments, embrace ambiguity, and enjoy solving hard problems together.
Bachelors degree in Computer Science, Software Engineering, or a related field.
Full professional fluency in both Hebrew and English, written and verbal.
This position is open to all candidates.
 
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05/07/2026
Location: Tel Aviv-Yafo
Job Type: Full Time
As a Senior Software Engineer on the Product Analytics Backend team, you'll join a new, fast-growing product area. You will help define our technical vision, influence the product roadmap, and solve complex engineering challenges at scale.

In Product Analytics, we consume and process data from multiple sources: clickstreams, user information, and data from third-party systems. Your work will be central to building a robust and flexible system that can ingest, manipulate, correlate and store all this data to have it efficiently queried by our end users.
What Youll Do:
Design, build, and maintain core backend systems for Product Analytics, ensuring scalability, reliability, and high performance
Drive technical architecture decisions in alignment with product goals and collaborate closely with frontend and platform teams
Work with our core platform teams to tailor our storage and query solutions to our needs
Create a strong team culture aligned with our engineering standards and our customer focus
Participate in hands-on engineering work including coding, code reviews, and design reviews
Requirements:
Who You Are:
A seasoned backend engineer with deep expertise in designing and building distributed systems
Comfortable influencing technical direction without direct management authority, operating as a technical leader and mentor
Interested in working on an early stage project with many challenges to solve and a fast iteration cycle
You have a track record of delivering high-quality software products on schedule and collaborating closely with product partners
Strong technician, particularly with Go, Java or SQL, who is interested in remaining a hands-on contributor
Youre excited about leveraging AI tools to enhance how you code, solve problems, and build - or eager to learn how
You have demonstrated ability to use AI coding tools in day-to-day workflows and validate, critique, and refine AI-generated output
Bonus: youre motivated to push the boundaries of how AI can improve software engineering best practices and contribute to building AI-enabled products
This position is open to all candidates.
 
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Location: Tel Aviv-Yafo
Job Type: Full Time
Were looking for a highly effective and experienced Backend Python Engineer with deep Python expertise to design and deliver scalable, resilient systems as part of a highly successful and collaborative engineering team.


In this role, you will work on highly innovative, next-generation security technologies within our Human Risk Management (HRM) product group. Human Risk Management is a comprehensive approach to cybersecurity that focuses on understanding, measuring, and mitigating risks associated with human behaviour across an organization.


You will contribute in technical design and code quality, and will be responsible for designing and building a new, large-scale analytics database from the ground up, forming a core foundation of our risk scoring and HRM capabilities. This is a hands-on role with meaningful ownership across the full software development lifecycle.


Your day-to-day:

Lead the design and development of core backend components of a large-scale SaaS platform using Python.

Design, build, and maintain RESTful APIs and highly available management services.

Design and implement scalable distributed systems and intelligent network data-path processing.

Design, build, and evolve a new large-scale analytics database from the ground up, responsible for ingesting high-volume security signals and calculating human risk scores at scale.

Champion engineering best practices, system reliability, and maintainable code.

Contribute to in-depth code reviews, architectural guidance, and mentoring of other engineers.
Requirements:
What you bring to the team:

5+ years of hands-on experience building and operating complex back-end systems in production environments.

Expert-level Python skills, with a proven track record of designing, delivering, and supporting commercial-grade software.

Practical AI assisted/autonomous development experience with AI/agent tools such as Claude code, Devin, etc.

Demonstrated experience owning system design and architectural decisions, particularly for data-intensive or distributed systems.

Experience with CI/CD pipelines, automated testing, and cloud platforms (AWS, GCP, or Azure), including streaming or event-driven architectures.

Strong experience working in agile environments, collaborating across disciplines, and providing constructive technical feedback.

Bachelors degree in Computer Science or a related field, or equivalent practical experience.
This position is open to all candidates.
 
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30/07/2026
Location: Tel Aviv-Yafo
Job Type: Full Time
We're looking for a Software Engineer to join our core engineering team and help build the infrastructure behind one of the fastest-growing AI APIs. You'll work on systems that handle massive scale across a distributed microservices architecture running on AWS. You'll ship fast, take ownership of critical systems, and solve hard infrastructure problems as we grow.

This is a great role for an engineer who loves building ambitious systems from scratch, and wants to tackle the kind of scale and complexity challenges typically reserved for much larger companies.

What Youll Do

Design and build high-performance distributed systems

Design and implement backend infrastructure and API endpoints

Build and optimize real-time data pipelines that process billions of events per day across distributed queues and stream processors

Improve performance, monitoring, and reliability across the stack

Own core systems and contribute to key architectural decisions

Help shape a strong engineering culture focused on velocity and quality
Requirements:
What You Bring

5 years of professional software engineering experience

Strong backend development skills

Proven experience designing and operating large-scale, distributed systems, with a solid understanding of API design, reliability, and performance at scale

Hands-on expertise with AWS infrastructure and cloud-native services, bringing practical knowledge of deploying and managing services in real-world environments

Comfortable in a fast-paced startup environment with lots of ownership

Strong sense of ownership and accountability over outcomes

Curiosity about LLMs, retrieval and the future of AI systems, with a drive to stay at the forefront of new technology

Based in Tel-Aviv or open to relocating
This position is open to all candidates.
 
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2 ימים
Location: Tel Aviv-Yafo
Job Type: Full Time
Our engineering team is at the core of how modern data security is built. We are redefining how organizations understand and protect their most sensitive data in a world of growing scale, speed, and complexity. By combining high-performance systems with intelligent, AI-driven capabilities, we challenge traditional approaches and push the boundaries of what data classification can achieve.
Were looking for engineers who thrive in open-ended environments, are energized by hard problems, and are motivated to build solutions that dont yet exist. This role is about more than writing code. Its about shaping how intelligent systems detect, interpret, and protect data across cloud and endpoint environments.
In this role, you will play a central part in designing and building a core classification engine that powers multiple security solutions across the platform. Your work will directly influence how different products identify risk, enforce protection, and operate at scale. Youll work at the intersection of large-scale systems and applied AI, turning raw signals into accurate, reliable insights that help customers secure their data with confidence.
Key Responsibilities
Build and scale AI-driven data classification and detection capabilities for next-generation data security products.
Design systems that identify, classify, and protect sensitive data in real time across cloud and endpoint environments.
Lead technical design discussions and influence architecture for large-scale data processing systems.
Partner with product, infrastructure, and other engineering teams to deliver tightly integrated solutions.
Solve complex engineering challenges related to scale, performance, reliability, and operations.
Raise the technical and collaborative bar by mentoring, sharing knowledge, and improving team practices.
Proactively suggest ideas, lead initiatives, and drive continuous improvement across the product and engineering processes.
Requirements:
5+ years of professional experience as a Software Engineer.
BSc degree in Computer Science, or equivalent background.
Proven ability to design and deliver complex systems end-to-end.
Strong algorithmic thinking, including the ability to design efficient solutions under real-world constraints such as scale, latency, and resource usage.
Familiarity with CI/CD pipelines and cloud infrastructure.
Ability to make things work beyond writing good code - hands-on, practical, and execution-oriented.
Strong ownership, communication skills, and a proactive mindset.
Preferred Qualifications
Professional experience with Rust - a significant advantage, though willingness to work in Rust is also relevant.
Experience integrating AI/ML models into production systems, with a focus on performance, scalability, and reliability.
Python or Go experience in a large-scale cloud environment.
Experience with applications running remotely at scale.
Familiarity with cyber technologies, information security, software security, or related domains.
This position is open to all candidates.
 
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Location: Tel Aviv-Yafo
Job Type: Full Time
We're looking for engineers who are passionate about observability and skilled in Go to join our team and help develop modern observability solutions. In this role, you will support and lead the technical direction for using OpenTelemetry in our customer environments. You will be responsible for being an active member of the OpenTelemetry community, such as attending SIGs and contributing to and maintaining various components, tools, and specifications within the OpenTelemetry ecosystem. Your expertise will help ensure robust and scalable solutions for our clients.
At our company, engineers own critical systems, influence product direction, and prioritize long-term quality over short-term solutions. Youll be part of a team that values clear thinking, pragmatic design, and continuous improvement.
Requirements:
This role requires the candidate to be located in Europe due to time zone alignment and regional market focus.
5+ years of software development experience with Go
Bachelors degree in Computer Science or Engineering or equivalent years of experience
Relevant open source experience, ideally in OpenTelemetry or Prometheus
Proven expertise in leveraging AI/ML frameworks to build AIOps solutions
Experience with cloud environments, AWS, GCP, Azure, etc.
Experience with Kubernetes and Docker containers
Experience with infrastructure automation tools
Written and verbal communication skills in English
Ability to multitask, organize, and prioritize work
Preferred Qualifications
Programming skills in multiple languages (Rust, C#, Java, Python, NodeJS, Typescript, etc.)
Production experience in a SaaS environment
Metrics, Logging, Tracing
Troubleshooting production systems
DevOps experience
Cultural Fit
Were seeking candidates who are hungry, humble, and smart. our company fosters a culture of innovation and continuous learning, where team members are encouraged to challenge the status quo and contribute to our shared mission. If you thrive in dynamic environments and are eager to shape the future of observability solutions, wed love to hear from you.
This position is open to all candidates.
 
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29/06/2026
Location: Tel Aviv-Yafo
Job Type: Full Time
As a Software Engineer in the Browser Protection team, you will play a key role in building a browser protection platform focused on holistic security protection, including: data protection, data loss prevention, Identity protection and SaaS security. In this role, youll be responsible for developing \next-gen browser protection solutions, that integrate seamlessly with \security platform and leverages CrowdStrike agent. The product provides real-time protection against data leaks, unmanaged devices risk, insider threat, unauthorized data access, and other security risks. Working in close collaboration with our cross-functional team, youll leverage your expertise to build a high-performance, secure browser solution and extension that ensures user data is safe without impacting browsing experience. This position offers a unique opportunity to influence the future of data protection technology at CrowdStrike by delivering an extension that empowers users and protects them in todays dynamic digital landscape.

What You'll Do:​

Design and implement CRWD browser protection suite, including browser extensions (e.g., Google Chrome, Edge etc. ), leveraging CrowdStrike endpoint sensor and Leverage in-depth chromium knowledge to develop cybersecurity capabilities within the browser

Own features from design to delivery

Impact product roadmap and architectural design

Collaborate with multi-functional team in various physical locations

Troubleshoot issues with the product as reported from customers responsively

Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.
Requirements:
5+ years of industry experience building high performance software products

BS or MS in Computer Science or related engineering discipline

Mastery of software development with expertise in more than one area out of Node.Js / React internals / JavaScript / TypeScript / Chromium internals.

Ability to dive deep into web development internals, APIs, etc

Strong research and debugging capabilities

Experience working with RESTful APIs and handling data securely within extensions

Proactive approach for problem solving.

Experience with testing frameworks, tools, and methodologies such as Jtest, QUnit, Mocha & Selenium

Prior experience mentoring engineers, leading technical initiatives, or managing small teams is a strong plus. As the team grows, there will be opportunities to step into formal leadership and management roles for candidates who demonstrate both technical excellence and people leadership skills.
This position is open to all candidates.
 
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